The 2012 Mazda CX-9 is a mid-size crossover SUV, the first generation (TB) model, designed to offer a compelling blend of sporty handling, an upscale interior, and practical three-row seating. As the flagship SUV, it aimed to provide a driving experience that echoed the philosophy of Jinba Ittai, or 'horse and rider as one', setting it apart from competitors like the Toyota Highlander and Honda Pilot. This model, assembled in Japan, features a robust 3.7-liter V6 engine producing 273 horsepower and 270 lb-ft of torque, paired with a 6-speed automatic transmission, and is available with an Active Torque Split All-Wheel Drive system for enhanced traction. Its design emphasizes dynamic driving characteristics and a refined cabin, making it a distinctive choice in its segment. This comprehensive Service and Repair Manual provides detailed information for the 2012 CX-9 (chassis code TB17). It covers all essential aspects of vehicle maintenance, diagnosis, and repair, including engine mechanicals, fuel and emission systems, automatic transmission service, braking systems, suspension, steering, and the complete electrical system. The manual offers step-by-step procedures for routine maintenance, component repair, and troubleshooting, alongside critical technical specifications, wiring diagrams, and diagnostic trouble code information. Its purpose is to serve as an indispensable resource for owners and technicians, enabling them to maintain the vehicle's performance, reliability, and safety effectively.